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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN"
"../../../share/xml/freebsd50.dtd" [
<!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent">
%release;
<!ENTITY local.rel "10.3">
]>
<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
xml:id="top">
<info><title>&os; &release.current; Installation Instructions</title>
<author><orgname>The &os; Project</orgname></author>
<pubdate>$FreeBSD$</pubdate>
<copyright>
<year>2016</year>
<holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder>
</copyright>
<legalnotice xml:id="trademarks" role="trademarks">
&tm-attrib.freebsd;
&tm-attrib.intel;
&tm-attrib.sparc;
&tm-attrib.general;
</legalnotice>
<abstract>
<para>This article gives some brief instructions on installing
&os; &release.current; and upgrading the systems running earlier
releases.</para>
</abstract>
</info>
<sect1 xml:id="install">
<title>Installing &os;</title>
<para>The <uri
xlink:href="&url.books.handbook;/bsdinstall.html">Installing
&os;</uri>
chapter of the <uri
xlink:href="&url.books.handbook;/">&os;
Handbook</uri> provides more in-depth information about the
installation program itself, including a guided walk-through with
screenshots.</para>
</sect1>
<sect1 xml:id="upgrade">
<title>Upgrading &os;</title>
<para>If you are upgrading from a previous release of &os;, please
read <uri
xlink:href="http://www.FreeBSD.org/releases/&local.rel;R/relnotes.html#upgrade">upgrading
section in the Release Notes</uri> for notable
incompatibilities carefully.</para>
<sect2 xml:id="upgrade-source">
<title>Upgrading from Source</title>
<para>The procedure for doing a source code based update is
described in
<uri xlink:href="&url.books.handbook;/synching.html"></uri> and
<uri xlink:href="&url.books.handbook;/makeworld.html"></uri>.</para>
<para>For SVN use the <filename>releng/&local.rel;</filename> branch
which will be where any upcoming Security Advisories or Errata
Notices will be applied.</para>
</sect2>
<sect2 xml:id="upgrade-binary">
<title>Upgrading Using <quote>&os; Update</quote></title>
<para>The &man.freebsd-update.8; utility supports binary
upgrades of &arch.i386; and &arch.amd64; systems running
earlier FreeBSD releases. Systems running
<literal>9.3-RELEASE</literal>,
<literal>10.3-RC[12]</literal> can upgrade as follows:</para>
<screen>&prompt.root; freebsd-update fetch
&prompt.root; freebsd-update install</screen>
<para>Now the &man.freebsd-update.8; utility can fetch bits
belonging to &release.current;. During this process
&man.freebsd-update.8; will ask for help in merging
configuration files.</para>
<screen>&prompt.root; freebsd-update upgrade -r &local.rel;-RELEASE</screen>
<para>Due to changes in the way that &os; is packaged on the
release media, two complications may arise in this process if
upgrading from FreeBSD 9.3:</para>
<orderedlist>
<listitem>
<para>The &os;, which previously could appear in either
<filename>/boot/kernel</filename> or
<filename>/boot/GENERIC</filename>, now only appears as
<filename>/boot/kernel</filename>. As a result, any
kernel appearing in <filename>/boot/GENERIC</filename>
will be deleted. Please carefully read the output printed
by &man.freebsd-update.8; and confirm that an updated
kernel will be placed into
<filename>/boot/kernel</filename> before proceeding beyond
this point.</para>
</listitem>
<listitem>
<para>The &os; source tree in <filename>/usr/src</filename>
(if present) will be deleted. (Normally the
&man.freebsd-update.8; utility will update a source tree,
but in this case the changes in release packaging result
in the &man.freebsd-update.8; utility not recognizing that
the source tree from the old release and the source tree
from the new release correspond to the same part of
&os;.)</para>
</listitem>
</orderedlist>
<screen>&prompt.root; freebsd-update install</screen>
<para>The system must now be rebooted with the newly installed
kernel before the non-kernel components are updated.</para>
<screen>&prompt.root; shutdown -r now</screen>
<para>After rebooting, &man.freebsd-update.8; needs to be run
again to install the new userland components:</para>
<screen>&prompt.root; freebsd-update install</screen>
<para>At this point, users of systems being upgraded from &os;
9.3-RELEASE or earlier will be prompted by
&man.freebsd-update.8; to rebuild all third-party applications
(e.g., ports installed from the ports tree) due to updates in
system libraries.</para>
<para>After updating installed third-party applications (and
again, only if &man.freebsd-update.8; printed a message
indicating that this was necessary), run
&man.freebsd-update.8; again so that it can delete the old (no
longer used) system libraries:</para>
<screen>&prompt.root; freebsd-update install</screen>
<para>Finally, reboot into &release.current;</para>
<screen>&prompt.root; shutdown -r now</screen>
</sect2>
</sect1>
</article>
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